Constructing Policies of Data Verifying Integrality
Tong Zheng-xiong · Jiangxi kexue · 2004
By using constraints,rules,default and technology of trigger which are provided by the relational database system,the validity and legitimacy of the data from client are examined and the correctness and integrity of data source are effectively ensured.Besides,reasonably defining and utilizing the strategy of checking the integrality of data can increase the efficiency of data storage and search more effectively.